Home / 935,005.04-1,290,251.31-542,507.63

Finding the Fourth Proportional to 935,005.04, 1,290,251.31 and 542,507.63

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Solution

The fourth proportional to 935,005.04, 1,290,251.31 and 542,507.63 is: 748,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,005.04 : 1,290,251.31 = 542,507.63 : x
  2. Step 2: Convert to fraction form
    935,005.04/1,290,251.31 = 542,507.63/x
  3. Step 3: Cross multiply
    935,005.04x = 1,290,251.31 × 542,507.63
  4. Step 4: Simplify right side
    935,005.04x = 699,971,173,841.24
  5. Step 5: Solve for x
    x = 699,971,173,841.24/935,005.04
  6. Step 6: Final answer
    x = 748,628.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.